I need help for 4,5,6 and 7.

Jayda's house is located at (1, 5). she can walk in a straight line to get to cristian's house. a fast-food restaurant is located at (11, 0) and partitions the way from jayda's house to cristian's house by a ratio of 5: 1. find the coordinate of cristian's house. me . im a little stuck

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2